Finding the Fourth Proportional to 16,233.72, 22,395.42 and 9,515.94

Step by Step Solution

1. Step 1: Write the proportion equation
   16,233.72 : 22,395.42 = 9,515.94 : x
2. Step 2: Convert to fraction form
   16,233.72/22,395.42 = 9,515.94/x
3. Step 3: Cross multiply
   16,233.72x = 22,395.42 × 9,515.94
4. Step 4: Simplify right side
   16,233.72x = 213,113,472.99
5. Step 5: Solve for x
   x = 213,113,472.99/16,233.72
6. Step 6: Final answer
   x = 13,127.83